CN108443960A - A kind of VRF Air Conditioning System with fresh air function - Google Patents
A kind of VRF Air Conditioning System with fresh air function Download PDFInfo
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- CN108443960A CN108443960A CN201810124112.6A CN201810124112A CN108443960A CN 108443960 A CN108443960 A CN 108443960A CN 201810124112 A CN201810124112 A CN 201810124112A CN 108443960 A CN108443960 A CN 108443960A
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- air
- heat
- heat exchanger
- fresh air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
- F24F12/002—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid
- F24F12/003—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid using a heat pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/147—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification with both heat and humidity transfer between supplied and exhausted air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
- F25B2313/0231—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with simultaneous cooling and heating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The present invention relates to a kind of VRF Air Conditioning Systems with fresh air function, the air-conditioner set includes the outer machine of multi-connected machine, machine at least one first multi-connected machine, machine and air draft heat pump heat recovery system in the second multi-connected machine, machine is located in air draft heat pump heat recovery system in second multi-connected machine, and the outer machine of multi-connected machine is connected with machine in machine in the first multi-connected machine, the second multi-connected machine respectively.Compared with prior art, the present invention is on the basis of existing VRF Air Conditioning System, using air draft heat pump heat recovery technology, efficient heat and wet treatment of the VRF Air Conditioning System to fresh air had not only been realized, but also has overcome the insufficient limitation of traditional air draft heat pump new blower for heat recycling group refrigerated medium heat.
Description
Technical field
The present invention relates to a kind of VRF Air Conditioning Systems, more particularly, to a kind of multi-connected air conditioner with fresh air function
Group.
Background technology
VRF Air Conditioning System (Variable Refrigerant Flow, VRF, abbreviation multi-connected machine) by an outer machine and
Multiple interior machines compositions, interior machine are used for indoor return air cool-down dehumidification or heating, and outer machine is used for into outdoor environment heat dissipation or from room
It absorbs heat in external environment.VRF Air Conditioning System has the advantages that system is convenient for installation and maintenance, control is flexible, highly reliable, is mesh
Preceding most popular one of air conditioning system.
In recent years, the attention further with people for indoor air quality, fresh air function receive more and more attention.
Since the hot humidity load of fresh air is very big, the heat and wet treatment of the usually not responsible fresh air of traditional VRF Air Conditioning System needs to configure
Additional new wind turbine, of high cost and space hold are big.In the document having disclosed, also have directly using machine pair in multi-connected machine
Fresh air carries out the technology of heat and wet treatment.
Authorization Notice No. discloses a kind of using machine work in multi-connected machine for the Chinese utility model patent of CN203907862U
For fresh air dehumidifying system, in the scheme blown to each air-supply end, used a set of independent multi-connected machine as fresh air at
Equipment is managed to meet new wind load.Application publication number is that the Chinese invention patent of CN103953976A has used one of multi-connected machine
Interior machine is as fresh air dehumidifier, in order to reduce the load of multi-connected machine, a chilled water coil is provided in interior machine, shared is new
Wind load.However, above-mentioned technical proposal does not recycle the cold of indoor exhaust wind and heat, heat resource is wasted.
The Chinese invention patent that application publication number is CN105588304A discloses machine in a kind of multi-connected machine, passes through heat exchange
Core recycles the cold and heat of air draft, precools or preheats before fresh air is by indoor set heat exchanger.But due to heat exchange
Core is passive type heat transmission equipment, and the cold and hot amount that can be recycled from air draft is limited by new air draft state.
Air draft heat pump new blower for heat recycling is a kind of efficient fresh-air handling unit.As active heat recovery equipment, it is logical
The cold and heat in Refrigerant heat pump circulation and stress air draft are crossed, heat and wet treatment is carried out (referring to Chinese invention patent to fresh air
CN104019513A).The advantage of air draft heat pump new blower for heat recycling is efficiency height, and winter is not easy frosting, but air draft air quantity
The refrigerated medium heat of unit is limited, so it can not undertake new wind load completely.Application publication number is CN106705298A's
In Chinese invention patent, by outdoor heat exchanger in parallel, the cooling and warming ability of air draft heat pump new blower for heat recycling is improved, and
By concatameric shape to meet the fresh air supply demand of multiple regions.But the program fails and undertakes the multiple of indoor load
Air-conditioner set forms cooperation, can only be used as independent fresh-air handling unit.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of with fresh air function
VRF Air Conditioning System.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of VRF Air Conditioning System with fresh air function, the air-conditioner set include multi-connected machine outer machine, at least one first
Machine in multi-connected machine, machine and air draft heat pump heat recovery system in the second multi-connected machine, machine is located at air draft in second multi-connected machine
In heat pump heat recovery system, the outer machine of the multi-connected machine is connected with machine in machine in the first multi-connected machine, the second multi-connected machine respectively.
Further, the outer machine of the multi-connected machine includes outer cage body and the multi-connected machine that is separately positioned in outer cage body
Compressor, multi-connected machine four-way reversing valve, outer machine heat exchanger and outer machine electric expansion valve, the outer cage body are equipped with outer machine liquid
Interface tube and outer machine air pipe interface, the outer machine heat exchanger has mutual disconnected fluid channel and coolant channel, described
The both ends of coolant channel of outer machine heat exchanger be connected respectively with multi-connected machine four-way reversing valve, outer machine liquid pipe interface, it is described
Multi-connected machine compressor air entry and exhaust outlet be connected respectively with multi-connected machine four-way reversing valve, the outer machine air pipe interface
It is connected with multi-connected machine four-way reversing valve.
The outer machine heat exchanger is air-refrigerant heat exchanger or refrigerant-water heat exchange as a preferred technical solution,
Device, when selecting refrigerant-water- to-water heat exchanger, outer cage body be equipped with water inlet interface and water outlet mouthpiece, external water source from the two
Interface accesses the outer machine of multi-connected machine.
Further, outdoor fan is additionally provided in the outer cage body, the fluid is air, and the fluid is logical
Road is connected with outdoor fan.
Further, machine includes inner casing body and is separately positioned on interior in inner casing body in first multi-connected machine
The both ends of machine heat exchanger and interior machine wind turbine, the inner casing body are respectively equipped with interior machine return air inlet, interior machine air outlet, and described is interior
Casing body is equipped with interior machine air pipe interface and interior machine liquid pipe interface, and the interior machine heat exchanger has mutual disconnected air duct
And coolant channel, one end of the coolant channel of the interior machine heat exchanger are connected with interior machine air pipe interface, the other end with
Interior machine liquid pipe interface is connected, and one end of the air duct of the interior machine heat exchanger is connected with interior machine air outlet, the other end
It is connected with interior machine return air inlet by interior machine wind turbine.
Further, machine includes machine in the fresh air being arranged in air draft heat pump heat recovery system in second multi-connected machine
Machine liquid pipe interface in machine air pipe interface and fresh air in heat exchanger, fresh air, machine heat exchanger has mutually disconnected in the fresh air
Air duct and coolant channel, machine air pipe interface in one end of the coolant channel of machine heat exchanger and fresh air in the fresh air
It is connected, the other end is connected with machine liquid pipe interface in fresh air.
Further, it is equipped between machine liquid pipe interface in the coolant channel of machine heat exchanger and fresh air in the fresh air new
Machine electric expansion valve in wind.
Further, the air draft heat pump heat recovery system includes fresh air duct, wind output channel and air draft Heat Pump
Refrigerant circulation mechanism is recycled, the both ends of the fresh air duct are respectively equipped with fresh wind port, air outlet, the wind output channel
Both ends are respectively equipped with exhaust outlet, return air inlet, and machine is arranged in fresh air duct in second multi-connected machine.
Further, the air draft heat pump recuperation of heat refrigerant circulation mechanism includes heat recovery cycle compressor, heat time
Receive cycle four-way reversing valve, heat recovery cycle air-supply heat exchanger, heat recovery cycle flow controller and heat recovery cycle air exhaust heat exchange device；
The described heat recovery cycle air-supply heat exchanger is arranged in fresh air duct, and have mutual disconnected air duct and
The both ends of coolant channel, the coolant channel of heat recovery cycle air-supply heat exchanger are changed with heat recovery cycle four-way respectively
It is connected to valve, heat recovery cycle flow controller, the air entry and exhaust outlet of the heat recovery cycle compressor are returned with heat respectively
Cycle four-way reversing valve is received to be connected；
The heat recovery cycle air exhaust heat exchange device is arranged in wind output channel, and have mutual disconnected air duct and
The both ends of coolant channel, the coolant channel of the heat recovery cycle air exhaust heat exchange device are changed with heat recovery cycle four-way respectively
It is connected to valve, heat recovery cycle flow controller.
The heat recovery cycle flow controller is selected from electric expansion valve, capillary or orifice plate as a preferred technical solution,
Etc. the common flow controller of refrigeration systems.
Further, humidifier, reheating adjustable valve and heat exchanger again are additionally provided in the fresh air duct, it is described
Heat exchanger has mutual disconnected air duct and a coolant channel again, and the one of the coolant channel of the heat exchanger again
End is connected with one end of heat recovery cycle compressor, and the other end passes through reheating adjustable valve and heat recovery cycle air-supply heat exchanger
Coolant channel be connected.By humidifier, reheating adjustable valve and heat exchanger can accurately control the outlet air of fresh air again
Humiture.
Further, it is equipped with fresh-air fan and new wind filter in the fresh air duct, is set in the wind output channel
There is exhaust fan.
The present invention is made of two refrigerant-cycle systems, machine and the second multi-connected machine in the outer machine of multi-connected machine, the first multi-connected machine
Interior machine is responsible for the pretreatment of indoor return air processing and fresh air, and air draft heat pump heat recovery system has recycled the energy in air draft, and right
The further heat and wet treatment of fresh air is to meet the air-supply requirement of fresh air.
Compared with prior art, the invention has the characteristics that：
1) present invention, using air draft heat pump heat recovery technology, both realized on the basis of existing VRF Air Conditioning System
VRF Air Conditioning System overcomes traditional air draft heat pump new blower for heat recycling group cooling and warming to the efficient heat and wet treatment of fresh air
Measure insufficient limitation；
2) thermal energy in indoor exhaust wind has been recycled by heat pump cycle, the indoor unit than multi-connected machine is only used only handles fresh air
Energy consumption it is lower；
3) utilize two refrigerant-cycle systems, summer that depth dehumidifying is first pre-chilled again, winter first preheats reheating, improves
Heat exchange uniformity between fresh air and refrigerant, effectively reduces heat exchange irreversible loss, further reduced Fresh air handing energy
Consumption, and two refrigerant-cycle systems can be run independently of each other, control is simple；
4) present invention is compared with independent air draft heat pump new blower for heat recycling group, the new wind load bigger that can be undertaken, air-supply
Humiture is more comfortable；
5) present invention configuration is flexible, is suitable for the VRF Air Conditioning System of different type and cold size；
6) compressor of air draft heat pump heat recovery cycle can be placed in air duct formula as a whole, easy for installation；
It seperated can also arrange, compressor be placed in the outer machine of multi-connected machine, noise is avoided.
Description of the drawings
Fig. 1 is the structural schematic diagram of air-conditioner set in embodiment 1；
Fig. 2 is the structural schematic diagram of air-conditioner set in embodiment 2；
Fig. 3 is the structural schematic diagram of air-conditioner set in embodiment 3；
Description of symbols in figure：
1 is the outer machine of multi-connected machine, and 2 be machine in the first multi-connected machine, and 3 be fresh air duct, and 4 be wind output channel, and 11 be multi-connected machine pressure
Contracting machine, 12 be multi-connected machine four-way reversing valve, and 13,17 be outer machine heat exchanger, and 14 be outdoor fan, and 15 be outer machine liquid pipe interface, 16
It is water inlet interface for outer machine air pipe interface, 18,19 be water outlet mouthpiece, and 20 be outer machine electric expansion valve, and 31 be interior machine air pipe interface,
32 be interior machine heat exchanger, and 33 be interior machine electric expansion valve, and 34 be interior machine liquid pipe interface, and 35 be interior machine wind turbine, and 36 be interior machine return air
Mouthful, 37 be interior machine air outlet, and 41 be machine air pipe interface in fresh air, and 42 be machine heat exchanger in fresh air, and 43 is swollen for electromechanical son in fresh air
Swollen valve, 44 be machine liquid pipe interface in fresh air, and 45 be fresh-air fan, and 46 be new wind filter, and 47 be fresh wind port, and 48 be air outlet,
49 be exhaust outlet, and 50 be return air inlet, and 51 be exhaust fan, and 52 be humidifier, and 61 be heat recovery cycle compressor, and 62 be recuperation of heat
Four-way reversing valve is recycled, 63 be heat recovery cycle air-supply heat exchanger, and 64 be heat recovery cycle flow controller, and 65 be that heat recovery cycle is arranged
Wind heat exchanger, 66 be reheating adjustable valve, and 67 be heat exchanger again, and 21,22,23,24,25,26,71,72,73,74,75 be system
Cryogen connecting tube.
Specific implementation mode
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment 1：
A kind of VRF Air Conditioning System with fresh air function as shown in Figure 1, including multi-line system and air draft Heat Pump
Recovery system two parts.Multi-line system includes the outer machine 1 of multi-connected machine, be responsible in the first multi-connected machine of processing indoor return air machine 2 with
And machine in the second multi-connected machine of responsible fresh air pretreatment.
The primary structure of machine 1 includes that multi-connected machine compressor 11, multi-connected machine four-way in outer cage body change outside multi-connected machine
To valve 12, outer machine heat exchanger 13, outdoor fan 14 and outer machine liquid pipe interface 15, outer machine air pipe interface on outer cage body
16, outer machine electric expansion valve 20.Outer machine heat exchanger 13 is air-refrigerant heat exchanger, have mutual disconnected air duct and
Coolant channel.The coolant channel of outer machine heat exchanger 13 passes through connecting refrigerant lines and multi-connected machine four-way reversing valve 12 and outer machine
Electric expansion valve 20 is connected to.The air duct of outer machine heat exchanger 13 is connected to external environment and outdoor fan 14.Multi-connected machine compressor
11 air entry and exhaust outlet is connected to by connecting refrigerant lines with multi-connected machine four-way reversing valve 12 respectively, outer machine liquid pipe interface 15
It is connected to outer machine electric expansion valve 20 by connecting refrigerant lines, outer machine air pipe interface 16 passes through connecting refrigerant lines and multi-connected machine
Four-way reversing valve 12 is connected to.
The primary structure for being responsible for machine 2 in the first multi-connected machine of processing indoor return air includes that interior machine air pipe interface 31, interior machine change
Hot device 32, interior machine electric expansion valve 33, interior machine liquid pipe interface 34, interior machine wind turbine 35, interior machine return air inlet 36, interior machine air outlet 37.
Interior machine heat exchanger 32 is air-refrigerant heat exchanger, has mutual disconnected air duct and coolant channel.Interior machine tracheae connects
Connected by refrigerant between mouth 31, the coolant channel of interior machine heat exchanger 32, interior machine electric expansion valve 33, interior machine liquid pipe interface 34
Take over the refrigerant flow path for being sequentially communicated and constituting machine 2 in the first multi-connected machine.Interior machine return air inlet 36, interior machine wind turbine 35, the heat exchange of interior machine
The air duct of device 32, interior machine air outlet 37 are sequentially communicated the air duct for constituting machine 2 in the first multi-connected machine.
It is responsible for machine in the second multi-connected machine of fresh air pretreatment to be located in fresh air duct 3, primary structure includes passing through refrigerant
Connecting tube successively machine air pipe interface 41 in the fresh air of sequential communication, machine heat exchanger 42 in fresh air, machine electric expansion valve 43 in fresh air,
Machine liquid pipe interface 44 in fresh air.
Outer machine liquid pipe interface 15 passes through machine liquid pipe in connecting refrigerant lines network and each interior machine liquid pipe interface 34 and fresh air
Interface 44 is connected to；Outer machine air pipe interface 16 passes through machine gas in connecting refrigerant lines network and each interior machine air pipe interface 31 and fresh air
Interface tube 41 is connected to.
Air draft heat pump heat recovery system includes fresh air duct 3, wind output channel 4 and air draft heat pump recuperation of heat refrigerant circulation
Mechanism.
Air draft heat pump recuperation of heat refrigerant circulation mechanism primary structure includes heat recovery cycle compressor 61, heat recovery cycle
Four-way reversing valve 62, heat recovery cycle air-supply heat exchanger 63, heat recovery cycle flow controller 64, heat recovery cycle air exhaust heat exchange device
65.Heat recovery cycle air-supply heat exchanger 63 and heat recovery cycle air exhaust heat exchange device 65 are air-refrigerant heat exchanger, are had mutually not
The air duct and coolant channel of connection.The coolant channel of heat recovery cycle air-supply heat exchanger 63 passes through connecting refrigerant lines
It is connected to heat recovery cycle flow controller 64 and heat recovery cycle four-way reversing valve 62.The refrigeration of heat recovery cycle air exhaust heat exchange device 65
Agent channel is connected to by connecting refrigerant lines with heat recovery cycle flow controller 64 and heat recovery cycle four-way reversing valve 62.Recuperation of heat
The air entry and exhaust outlet of recycle compressor 61 are connected to by connecting refrigerant lines with heat recovery cycle four-way reversing valve 62 respectively.
Fresh air duct 3 is led to by the air-supply of machine heat exchanger 42 in the fresh wind port 47, new wind filter 46, fresh air that are sequentially communicated
Road, the air-supply passage of heat recovery cycle air-supply heat exchanger 63, fresh-air fan 45, the composition of air outlet 48.
Wind output channel 4 is by the return air inlet 50 being sequentially communicated, the air of exhaust fan 51, heat recovery cycle air exhaust heat exchange device 65
Channel, exhaust outlet 49 form.
Heat recovery cycle compressor 61 may be mounted in fresh air duct 3 or wind output channel 4, can also be placed in outside multi-connected machine
In machine 1, then with the long connecting leg of refrigerant it is connected to fresh air duct 3 and wind output channel 4.
The air-conditioner set of the present embodiment utilizes each four-way in practical application, be divided into two kinds of refrigeration, heating operating modes
Reversal valve carries out refrigerating/heating pattern switching.
Under cooling condition, multi-connected machine four-way reversing valve 12 makes 11 air entry of multi-connected machine compressor connect with outer machine air pipe interface 16
Logical, 11 exhaust outlet of multi-connected machine compressor is connected to outer machine heat exchanger 13.Heat recovery cycle four-way reversing valve 62 makes heat recovery cycle
The air entry of compressor 61 is connected to heat recovery cycle air-supply heat exchanger 63, and exhaust outlet and the heat of heat recovery cycle compressor 61 are returned
Cycle air exhaust heat exchange device 65 is received to be connected to.At this point, each interior machine heat exchanger 32 is evaporator, it is responsible for indoor return air cool-down dehumidification；
Machine heat exchanger 42 is evaporator in fresh air, is responsible for pre-cooling of fresh air processing；Heat recovery cycle blows heat exchanger 63 as evaporator, bears
Duty is allowed to meet air-supply humiture requirement to the further cool-down dehumidification of fresh air；Outer machine heat exchanger 13 is condenser, is responsible for outdoor
Function of environment heat emission；Heat recovery cycle air exhaust heat exchange device 65 is condenser, passes through air discharging and radiating.
Under heating condition, multi-connected machine four-way reversing valve 12 makes 11 exhaust outlet of multi-connected machine compressor connect with outer machine air pipe interface 16
Logical, 11 air entry of multi-connected machine compressor is connected to outer machine heat exchanger 13.Heat recovery cycle four-way reversing valve 62 makes heat recovery cycle
The exhaust outlet of compressor 61 is connected to heat recovery cycle air-supply heat exchanger 63, and air entry and the heat of heat recovery cycle compressor 61 are returned
Cycle air exhaust heat exchange device 65 is received to be connected to.At this point, each interior machine heat exchanger 32 is condenser, it is responsible for heating indoor return air；Fresh air
Interior machine heat exchanger 42 is condenser, is responsible for preheating fresh air；Heat recovery cycle blows heat exchanger 63 as condenser, is responsible for new
Wind further heats, and is allowed to meet wind pushing temperature requirement；Outer machine heat exchanger 13 is evaporator, is responsible for from outdoor heat absorption；Recuperation of heat
It is evaporator to recycle air exhaust heat exchange device 65, is absorbed heat from air draft.
Embodiment 2：
As shown in Fig. 2, compared with Example 1, the present embodiment can accurately control the outlet air humiture of fresh air, thus in heat
Humidifier 52, reheating heat exchanger 67 are increased between recycling cycle air-supply heat exchanger 63 and fresh-air fan 45, and in air draft heat pump
Reheating adjustable valve 66 is increased in recuperation of heat refrigerant circulation mechanism.Air-conditioner set can be exchanged heat in refrigeration mode by reheating
Device 67 utilizes compressor air-discharging reheating Cryogenic air, and by 66 regulating outlet air temperature of reheating adjustable valve, avoids air outlet temperature
It spends low；Air-conditioner set can humidify fresh air by humidifier 52 in heating mode, maintain indoor humidity balance.
Embodiment 3：
As shown in figure 3, compared with Example 2, the present embodiment is Water-cooling multi-connected air-conditioner set, by cold under refrigeration mode
But water-cooled takes heat under heating mode from water.Therefore, the outer machine heat exchanger 17 outside the multi-connected machine of the present embodiment in machine 1 is system
Cryogen-water- to-water heat exchanger.Be provided with water inlet interface 18 and water outlet mouthpiece 19 on the outer cage body of the outer machine of multi-connected machine 1, external water source from
The two interfaces access machine 1 outside multi-connected machine.
Embodiment 4：
A kind of VRF Air Conditioning System with fresh air function, the air-conditioner set include multi-connected machine outer machine 1, at least one first
Machine 2 in multi-connected machine, machine and air draft heat pump heat recovery system in the second multi-connected machine, machine is located at air draft Heat Pump in the second multi-connected machine
In recovery system, the outer machine of multi-connected machine 1 is connected with machine in machine 2 in the first multi-connected machine, the second multi-connected machine respectively.
Wherein, the outer machine 1 of multi-connected machine include outer cage body and the multi-connected machine compressor 11 being separately positioned in outer cage body,
Multi-connected machine four-way reversing valve 12 and outer machine heat exchanger 13, outer cage body are equipped with outer machine liquid pipe interface 15 and outer machine air pipe interface
16, outer machine heat exchanger 13 has mutual disconnected fluid channel and coolant channel, the coolant channel of outer machine heat exchanger 13
Both ends are connected with multi-connected machine four-way reversing valve 12, outer machine liquid pipe interface 15 respectively, the air entry of multi-connected machine compressor 11 and row
Gas port is connected with multi-connected machine four-way reversing valve 12 respectively, and outer machine air pipe interface 16 is connected with multi-connected machine four-way reversing valve 12.
Outdoor fan 14 is additionally provided in outer cage body, fluid is air, and fluid channel is connected with outdoor fan 14.
Machine 2 includes inner casing body and the interior machine heat exchanger 32 that is separately positioned in inner casing body and interior in first multi-connected machine
The both ends of machine wind turbine 35, inner casing body are respectively equipped with interior machine return air inlet 36, interior machine air outlet 37, and inner casing body is equipped with interior machine gas
Interface tube 31 and interior machine liquid pipe interface 34, interior machine heat exchanger 32 have mutual disconnected air duct and coolant channel, interior machine
One end of the coolant channel of heat exchanger 32 is connected with interior machine air pipe interface 31, and the other end is connected with interior machine liquid pipe interface 34
Logical, one end of the air duct of interior machine heat exchanger 32 is connected with interior machine air outlet 37, the other end by interior machine wind turbine 35 with it is interior
Machine return air inlet 36 is connected.
Machine includes machine heat exchanger 42 in the fresh air being arranged in air draft heat pump heat recovery system, in fresh air in second multi-connected machine
Machine liquid pipe interface 44 in machine air pipe interface 41 and fresh air, machine heat exchanger 42 has mutual disconnected air duct and refrigeration in fresh air
Agent channel, one end of the coolant channel of machine heat exchanger 42 is connected with machine air pipe interface 41 in fresh air in fresh air, the other end with
Machine liquid pipe interface 44 is connected in fresh air.In fresh air in the coolant channel of machine heat exchanger 42 and fresh air between machine liquid pipe interface 44
Equipped with machine electric expansion valve 43 in fresh air.
Air draft heat pump heat recovery system includes fresh air duct 3, wind output channel 4 and air draft heat pump recuperation of heat refrigerant circulation
The both ends of mechanism, fresh air duct 3 are respectively equipped with fresh wind port 47, air outlet 48, and the both ends of wind output channel 4 are respectively equipped with exhaust outlet
49, return air inlet 50, machine is arranged in fresh air duct 3 in the second multi-connected machine.
Air draft heat pump recuperation of heat refrigerant circulation mechanism includes heat recovery cycle compressor 61, the commutation of heat recovery cycle four-way
Valve 62, heat recovery cycle air-supply heat exchanger 63, heat recovery cycle flow controller 64 and heat recovery cycle air exhaust heat exchange device 65；Recuperation of heat
Cycle air-supply heat exchanger 63 is arranged in fresh air duct 3, and has mutual disconnected air duct and coolant channel, recuperation of heat
The both ends of the coolant channel of cycle air-supply heat exchanger 63 throttle with heat recovery cycle four-way reversing valve 62, heat recovery cycle respectively
Device 64 is connected, and the air entry and exhaust outlet of heat recovery cycle compressor 61 are connected with heat recovery cycle four-way reversing valve 62 respectively
It is logical；Heat recovery cycle air exhaust heat exchange device 65 is arranged in wind output channel 4, and has mutual disconnected air duct and refrigerant is logical
The both ends in road, the coolant channel of heat recovery cycle air exhaust heat exchange device 65 are returned with heat recovery cycle four-way reversing valve 62, heat respectively
Cycle flow controller 64 is received to be connected.
Humidifier 52, reheating adjustable valve 66 and reheating heat exchanger 67 are additionally provided in fresh air duct 3, reheating heat exchanger 67 has
Standby mutual disconnected air duct and coolant channel, one end and the heat recovery cycle pressure of the coolant channel of reheating heat exchanger 67
One end of contracting machine 61 is connected, and the other end is logical by the refrigerant of reheating adjustable valve 66 and heat recovery cycle air-supply heat exchanger 63
Road is connected.It is equipped with fresh-air fan 45 and new wind filter 46 in fresh air duct 3, exhaust fan 51 is equipped in wind output channel 4.
Refrigerant-air heat exchanger involved in above-described embodiment, common type are finned tube exchanger, Thermal Performance of Micro Channels
Device etc.；Refrigerant-the water- to-water heat exchanger being related to, common type are plate heat exchanger, double pipe heat exchanger, shell-and-tube heat exchanger etc..
It should be pointed out that the number of units of machine is unrestricted, board number in increase and decrease multi-connected machine in multi-connected machine in parallel, or
Multiple fresh air ducts and wind output channel are set, and machine and air exhaust heat in the second multi-connected machine identical with fresh air duct quantity are set and returned
Cycle is received, is not construed as having carried out substantial improvements to the present invention, the scope of the present invention should be belonged to.
Not complete all components of displaying refrigerant circulation in above-described embodiment, in implementation process, set in refrigerant circuit
The common refrigeration auxiliaries such as liquid storage device, gas-liquid separator, oily separation, filter, drier, solenoid valve are set, is arranged in air duct and removes
The common air duct auxiliary such as bacterium device, electrical auxiliary heater, air-valve, or change the relative position of air duct inner blower and cannot be considered as pair
The present invention has carried out substantial improvements, should belong to the scope of the present invention.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, and those of ordinary skill in the art still can be to this hair
Bright specific implementation mode modifies or carries out equivalent replacement to some technical characteristics, but as long as not departing from the technology of the present invention
The spirit of scheme should all cover within the scope of the technical scheme claimed by the invention.
Claims (10)
1. a kind of VRF Air Conditioning System with fresh air function, which is characterized in that the air-conditioner set include the outer machine (1) of multi-connected machine,
Machine (2) at least one first multi-connected machine, machine and air draft heat pump heat recovery system in the second multi-connected machine, described second is multi-joint
Machine is located in air draft heat pump heat recovery system in machine, the outer machine (1) of the multi-connected machine respectively with machine (2) in the first multi-connected machine, the
Machine is connected in two multi-connected machines.
2. a kind of VRF Air Conditioning System with fresh air function according to claim 1, which is characterized in that described is multi-joint
The outer machine (1) of machine includes that outer cage body and the multi-connected machine compressor (11), the multi-connected machine four-way that are separately positioned in outer cage body change
To valve (12) and outer machine heat exchanger (13), the outer cage body is equipped with outer machine liquid pipe interface (15) and outer machine air pipe interface
(16), the outer machine heat exchanger (13) has mutual disconnected fluid channel and coolant channel, the outer machine heat exchanger
(13) both ends of coolant channel are connected with multi-connected machine four-way reversing valve (12), outer machine liquid pipe interface (15) respectively, described
Multi-connected machine compressor (11) air entry and exhaust outlet be connected respectively with multi-connected machine four-way reversing valve (12), the outer machine
Air pipe interface (16) is connected with multi-connected machine four-way reversing valve (12).
3. a kind of VRF Air Conditioning System with fresh air function according to claim 2, which is characterized in that the outer machine
Outdoor fan (14) is additionally provided in shell, the fluid is air, and the fluid channel is connected with outdoor fan (14).
4. a kind of VRF Air Conditioning System with fresh air function according to claim 1, which is characterized in that described first
Machine (2) includes inner casing body and the interior machine heat exchanger (32) being separately positioned in inner casing body and interior machine wind turbine in multi-connected machine
(35), the both ends of the inner casing body are respectively equipped with interior machine return air inlet (36), interior machine air outlet (37), the inner casing body
It is equipped with interior machine air pipe interface (31) and interior machine liquid pipe interface (34), the interior machine heat exchanger (32) has mutual disconnected sky
Gas channel and coolant channel, one end of the coolant channel of the interior machine heat exchanger (32) and interior machine air pipe interface (31) phase
Connection, the other end is connected with interior machine liquid pipe interface (34), one end of the air duct of the interior machine heat exchanger (32) with it is interior
Machine air outlet (37) is connected, and the other end is connected by interior machine wind turbine (35) with interior machine return air inlet (36).
5. a kind of VRF Air Conditioning System with fresh air function according to claim 1, which is characterized in that described second
Machine includes machine heat exchanger (42) in the fresh air being arranged in air draft heat pump heat recovery system, machine air pipe interface in fresh air in multi-connected machine
(41) machine liquid pipe interface (44) and in fresh air, machine heat exchanger (42) has mutual disconnected air duct and system in the fresh air
Coolant channel, one end of the coolant channel of machine heat exchanger (42) is connected with machine air pipe interface (41) in fresh air in the fresh air
Logical, the other end is connected with machine liquid pipe interface (44) in fresh air.
6. a kind of VRF Air Conditioning System with fresh air function according to claim 5, which is characterized in that the fresh air
Machine electric expansion valve in fresh air is equipped in the coolant channel and fresh air of interior machine heat exchanger (42) between machine liquid pipe interface (44)
(43)。
7. a kind of VRF Air Conditioning System with fresh air function according to claim 1, which is characterized in that the air draft
Heat pump heat recovery system includes fresh air duct (3), wind output channel (4) and air draft heat pump recuperation of heat refrigerant circulation mechanism, institute
The both ends for the fresh air duct (3) stated are respectively equipped with fresh wind port (47), air outlet (48), the both ends point of the wind output channel (4)
Not She You exhaust outlet (49), return air inlet (50), machine setting is in fresh air duct (3) in second multi-connected machine.
8. a kind of VRF Air Conditioning System with fresh air function according to claim 7, which is characterized in that the air draft
Heat pump recuperation of heat refrigerant circulation mechanism includes heat recovery cycle compressor (61), heat recovery cycle four-way reversing valve (62), heat
Recycling cycle air-supply heat exchanger (63), heat recovery cycle flow controller (64) and heat recovery cycle air exhaust heat exchange device (65)；
The heat recovery cycle air-supply heat exchanger (63) is arranged in fresh air duct (3), and it is logical to have mutual disconnected air
The both ends of road and coolant channel, the coolant channel of heat recovery cycle air-supply heat exchanger (63) are followed with recuperation of heat respectively
Ring four-way reversing valve (62), heat recovery cycle flow controller (64) are connected, the air-breathing of the heat recovery cycle compressor (61)
Mouth and exhaust outlet are connected with heat recovery cycle four-way reversing valve (62) respectively；
Heat recovery cycle air exhaust heat exchange device (65) setting is in wind output channel (4), and it is logical to have mutual disconnected air
The both ends of road and coolant channel, the coolant channel of the heat recovery cycle air exhaust heat exchange device (65) are followed with recuperation of heat respectively
Ring four-way reversing valve (62), heat recovery cycle flow controller (64) are connected.
9. a kind of VRF Air Conditioning System with fresh air function according to claim 8, which is characterized in that the fresh air
Humidifier (52), reheating adjustable valve (66) and heat exchanger (67) again, the heat exchanger again are additionally provided in air duct (3)
(67) have mutual disconnected air duct and coolant channel, one end of the coolant channel of the heat exchanger again (67)
It is connected with one end of heat recovery cycle compressor (61), the other end is blown by reheating adjustable valve (66) and heat recovery cycle
The coolant channel of heat exchanger (63) is connected.
10. a kind of VRF Air Conditioning System with fresh air function according to claim 8, which is characterized in that described is new
It is equipped with fresh-air fan (45) and new wind filter (46) in wind air duct (3), exhaust fan is equipped in the wind output channel (4)
(51)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810124112.6A CN108443960A (en) | 2018-02-07 | 2018-02-07 | A kind of VRF Air Conditioning System with fresh air function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810124112.6A CN108443960A (en) | 2018-02-07 | 2018-02-07 | A kind of VRF Air Conditioning System with fresh air function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108443960A true CN108443960A (en) | 2018-08-24 |
Family
ID=63191791
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810124112.6A Pending CN108443960A (en) | 2018-02-07 | 2018-02-07 | A kind of VRF Air Conditioning System with fresh air function |
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| Country | Link |
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| CN (1) | CN108443960A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131828A (en) * | 2019-05-22 | 2019-08-16 | 上海市政工程设计研究总院（集团）有限公司 | It is a kind of suitable for south building inner region multi-line system and its for cooling method |
| CN110953651A (en) * | 2018-09-26 | 2020-04-03 | 财团法人工业技术研究院 | Air conditioning system |
| WO2022156238A1 (en) * | 2021-01-20 | 2022-07-28 | 广东美的暖通设备有限公司 | Rotary wheel humidity regulating device and air conditioning system having same, control method, and controller |
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| CN103062851A (en) * | 2013-01-07 | 2013-04-24 | 青岛海信日立空调系统有限公司 | Air conditioning system and dehumidification method thereof |
| CN106546028A (en) * | 2016-09-29 | 2017-03-29 | 同济大学 | A kind of frost-free type cold-producing medium Two-way Cycle fresh air handining unit |
| CN107120757A (en) * | 2017-04-28 | 2017-09-01 | 同济大学 | It is a kind of to be combined the heat recovery type fresh air conditioner group constituted by three refrigerant circulations |
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| JP2004177052A (en) * | 2002-11-28 | 2004-06-24 | Kimura Kohki Co Ltd | Floor embedded air-conditioning unit |
| CN103062851A (en) * | 2013-01-07 | 2013-04-24 | 青岛海信日立空调系统有限公司 | Air conditioning system and dehumidification method thereof |
| CN106546028A (en) * | 2016-09-29 | 2017-03-29 | 同济大学 | A kind of frost-free type cold-producing medium Two-way Cycle fresh air handining unit |
| CN107120757A (en) * | 2017-04-28 | 2017-09-01 | 同济大学 | It is a kind of to be combined the heat recovery type fresh air conditioner group constituted by three refrigerant circulations |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953651A (en) * | 2018-09-26 | 2020-04-03 | 财团法人工业技术研究院 | Air conditioning system |
| CN110131828A (en) * | 2019-05-22 | 2019-08-16 | 上海市政工程设计研究总院（集团）有限公司 | It is a kind of suitable for south building inner region multi-line system and its for cooling method |
| WO2022156238A1 (en) * | 2021-01-20 | 2022-07-28 | 广东美的暖通设备有限公司 | Rotary wheel humidity regulating device and air conditioning system having same, control method, and controller |
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Application publication date: 20180824 |